1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* Direct Rendering Support for SMedia Glamo 336x/337x
*
* (c) 2009 Thomas White <taw@bitwiz.org.uk>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Based on intel_render.c, to which the following notice applies:
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/*
* Render unclipped vertex buffers by emitting vertices directly to
* dma buffers. Use strip/fan hardware acceleration where possible.
*
*/
#include "main/glheader.h"
#include "main/context.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/mtypes.h"
#include "main/enums.h"
#include "tnl/t_context.h"
#include "tnl/t_vertex.h"
#include "tnl/t_pipeline.h"
#include "glamo_context.h"
#include "glamo_tris.h"
#include "glamo_regs.h"
/*
* Render unclipped vertex buffers by emitting vertices directly to
* VRAM buffers. Use strip/fan hardware primitives where possible.
* Try to simulate missing primitives with indexed vertices.
*/
#define HAVE_POINTS 1
#define HAVE_LINES 1
#define HAVE_LINE_STRIPS 0
#define HAVE_TRIANGLES 1
#define HAVE_TRI_STRIPS 0
#define HAVE_TRI_STRIP_1 0
#define HAVE_TRI_FANS 0
#define HAVE_POLYGONS 0
#define HAVE_QUADS 0
#define HAVE_QUAD_STRIPS 0
#define HAVE_ELTS 0
static void glamoFlushPrim(struct glamo_context *gCtx)
{
printf("glamoFlushPrim: %i vertices, %i %i\n", gCtx->prim.count,
gCtx->prim.start_offset, gCtx->prim.current_offset);
if ( gCtx->prim.vb_bo == NULL ) return;
/* Upload to hardware */
glamo_bo_subdata(gCtx->prim.vb_bo, 0, gCtx->prim.current_offset,
gCtx->prim.vb);
/* Dispatch to the hardware */
glamoDRMStartBurst(gCtx, G3D_STREAM_MODE_0);
glamoDRMAddData(gCtx, 0x000f0300, 4);
glamoDRMAddBO(gCtx, gCtx->prim.vb_bo);
glamoDRMDispatch(gCtx);
/* Please use a new BO for the next buffer */
gCtx->prim.vb_bo = NULL;
/* Continue from new start */
gCtx->prim.start_offset = gCtx->prim.current_offset;
}
static inline GLuint glamoGetVBMax(struct glamo_context *gCtx)
{
return GLAMO_VB_SIZE / gCtx->vertex_size;
}
static inline GLuint glamoGetCurrentMax(struct glamo_context *gCtx)
{
/* How many more vertices can be accommodated?
* Each vertex takes up 4x 32-bit fixed point values */
return (GLAMO_VB_SIZE - gCtx->prim.current_offset) / gCtx->vertex_size;
}
#define LOCAL_VARS \
struct glamo_context *gCtx = GLAMO_CONTEXT(ctx);
#define INIT(prim)
#define FLUSH() glamoFlushPrim(gCtx)
#define GET_SUBSEQUENT_VB_MAX_VERTS() glamoGetVBMax(gCtx)
#define GET_CURRENT_VB_MAX_VERTS() glamoGetCurrentMax(gCtx)
#define ALLOC_VERTS(nr) glamoGetPrimSpace(gCtx, nr)
#define EMIT_VERTS(ctx, j, nr, buf) \
_tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf)
#define TAG(x) glamo_##x
#include "tnl_dd/t_dd_dmatmp.h"
/**********************************************************************/
/* Render pipeline stage */
/**********************************************************************/
static GLboolean glamoRunRender(GLcontext *ctx,
struct tnl_pipeline_stage *stage)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint i;
printf("glamoRunRender\n");
/* Don't handle clipping */
if ( !glamo_validate_render(ctx, VB) ) {
return GL_TRUE; /* Failed */
}
tnl->clipspace.new_inputs |= VERT_BIT_POS;
tnl->Driver.Render.Start(ctx);
for ( i=0; i<VB->PrimitiveCount; i++ ) {
GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
GLuint start = VB->Primitive[i].start;
GLuint length = VB->Primitive[i].count;
if (!length) continue;
glamo_render_tab_verts[prim & PRIM_MODE_MASK](ctx, start,
start + length, prim);
}
tnl->Driver.Render.Finish(ctx);
glamoFireEngine(gCtx);
return GL_FALSE; /* Ok */
}
static const struct tnl_pipeline_stage _glamo_render_stage = {
"glamo render",
NULL,
NULL,
NULL,
NULL,
glamoRunRender
};
const struct tnl_pipeline_stage *glamo_pipeline[] = {
&_tnl_vertex_transform_stage,
&_tnl_vertex_cull_stage,
&_tnl_normal_transform_stage,
&_tnl_lighting_stage,
&_tnl_fog_coordinate_stage,
&_tnl_texgen_stage,
&_tnl_texture_transform_stage,
&_tnl_point_attenuation_stage,
&_tnl_vertex_program_stage,
&_glamo_render_stage, /* ADD: unclipped rastersetup-to-dma */
&_tnl_render_stage,
0,
};
|
